J

PHP 7 Solutions

1. Chapter 1 - What is PHP and why should I care?
• PHP was developed in 1995 to simply add data and display it on a web page.


• In present day, it can do much more my making it work with databases, making websites more dynamic, and introduce some object-oriented programming.


• Using PHP with HTML the files can be separated but a PHP file can stil be integrated and updated without touching the HTML.




2. Chapter 2 - Getting Ready to Work with PHP
• When working on a website you need to test what version of PHP is currently supported.


• Avoid using PHP version 5 as it is no longer supported and may expose important data to security problems.


• Make sure to use a Local Text Environment (such as XAMPP), to test out any .php pages.




3. Chapter 3 - How to Write PHP Scripts
• PHP is a server side language. Therefore the server processes the language and gives it the output.


• When you have a file that only contains PHP, its a good idea to omit the closing tag so it can work with other versions.


• PHP uses two aspects to its language, the variable and the function.


• Don't forget to add the semicolon at the end of a PHP statement.


• Echo and Print are identical as far as usage goes. Both display text and other printed outputs.




4. Chapter 4 - PHP: A Quick Reference
• PHP is a weakly typed language meaning you can store any variable (integer, boolean, array etc.).


• Exercise 1
• Exercise 2
• Exercise 3
• Exercise 4
• Exercise 5
• Exercise 6


5. Chapter 5 - Lightening Your Workload With Includes
• Exercise 1


6. Chapter 6 - Bringing Forms to Life


7. Chapter 7 - Using PHP To Manage Files


8. Chapter 8 - Working with Arrays
• Exercise 1
• Exercise 2


9. Chapter 9 - Uploading Files
• Exercise 1


10. Chapter 10 - Generating Thumbnail Images
• Exercise 1
• Exercise 2


11. Chapter 11 - Pages That Remember: Simple Login and Multipage Forms
• Exercise 1
• Exercise 2


12. Chapter 12 - Getting Started With A Database
• Screenshot 1
• Screenshot 2


13. Chapter 13 - Connecting to a Database with PHP and SQL
• Exercise 1
• Exercise 2
• Exercise 3
• Exercise 4


14. Chapter 14 - Creating a Dynamic Photo Gallery
• Exercise 1


15. Chapter 15 - Managing Content
• Exercise 1
• Exercise 2
• Exercise 3


16. Chapter 16 - Formatting Text and Dates
• Exercise 1


17. Chapter 17 - Pulling Data From Multiple Tables
• Exercise 1
• Exercise 2


18. Chapter 18 - Managing Multiple Database Tables
• Exercise 1
• Exercise 2
• Exercise 3


19. Chapter 19 - Authenticating Users With A Database
• Exercise 1
• Exercise 2
• Exercise 3